:root {
  --color-bg: #1a1a2e;
  --color-bg-secondary: #16213e;
  --color-bg-tertiary: #0f3460;
  --color-text: #e8e8e8;
  --color-text-muted: #a0a0a0;
  --color-accent: #e94560;
  --color-success: #4ade80;
  --color-warning: #fbbf24;
  --color-error: #ef4444;
  --color-border: #2a2a4a;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.admin-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.admin-header {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.admin-header h1 {
  font-size: 1.25rem;
  font-weight: 600;
}
.admin-header nav {
  display: flex;
  gap: 1rem;
}
.admin-header nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.2s;
}
.admin-header nav a:hover, .admin-header nav a.active {
  color: var(--color-text);
  background: var(--color-bg-tertiary);
}

.admin-content {
  flex: 1;
  padding: 2rem;
}

.region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.region-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem;
}
.region-card.hibernating {
  opacity: 0.6;
}
.region-card.active {
  border-color: var(--color-success);
}

.region-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.region-header h3 {
  font-size: 1rem;
  font-weight: 600;
}

.region-status {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}
.region-status.hibernating {
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
}
.region-status.active {
  background: rgba(74, 222, 128, 0.2);
  color: var(--color-success);
}

.region-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.region-stats .stat-value {
  color: var(--color-text);
  font-weight: 500;
}

.region-actions {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
}

.btn {
  padding: 0.5rem 1rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  font-size: 0.875rem;
  transition: all 0.2s;
}
.btn.btn-primary {
  background: var(--color-accent);
  color: white;
}
.btn.btn-primary:hover {
  filter: brightness(1.1);
}
.btn.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}
.btn.btn-secondary:hover {
  background: var(--color-border);
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
}
.stat-card .stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}
.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 600;
}

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem;
  color: var(--color-text-muted);
  gap: 1rem;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.alert {
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}
.alert.alert-error {
  background: rgba(239, 68, 68, 0.2);
  border: 1px solid var(--color-error);
  color: var(--color-error);
}
.alert.alert-success {
  background: rgba(74, 222, 128, 0.2);
  border: 1px solid var(--color-success);
  color: var(--color-success);
}

.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--color-text-muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
}
.stat-card--success {
  border-color: var(--color-success);
}
.stat-card--info {
  border-color: var(--color-accent);
}
.stat-card--muted {
  opacity: 0.7;
}
.stat-card__value {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.stat-card__label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.region-summary h3 {
  margin-bottom: 1rem;
}

.region-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1rem;
}
.region-card__coord {
  font-family: monospace;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.region-card__name {
  font-weight: 600;
  margin: 0.25rem 0;
}
.region-card__status {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  margin: 0.5rem 0;
}
.region-card__status.status-active {
  background: rgba(74, 222, 128, 0.2);
  color: var(--color-success);
}
.region-card__status.status-hibernating {
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
}
.region-card__stats {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
.data-table th {
  background: var(--color-bg-tertiary);
  font-weight: 600;
  font-size: 0.875rem;
}
.data-table tr.row-active {
  background: rgba(74, 222, 128, 0.05);
}
.data-table tr.row-hibernating {
  opacity: 0.7;
}
.data-table tr:hover {
  background: var(--color-bg-secondary);
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}
.badge.badge-success {
  background: rgba(74, 222, 128, 0.2);
  color: var(--color-success);
}
.badge.badge-muted {
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}
.page-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
}

.text-muted {
  color: var(--color-text-muted);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
}

.player-count {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.coord-cell {
  font-family: monospace;
}

.user-id-cell,
.entity-id-cell {
  font-family: monospace;
  font-size: 0.875rem;
}

.time-cell {
  color: var(--color-text-muted);
}